What Is the PH of a 0

question 73

Multiple Choice

What is the pH of a 0.40 mol L^-1 H₂Se solution that has the stepwise dissociation constants K_a1 = 1.3 × 10^-4 and K_a2 = 1.0 × 10^-11?

• A)2.14
• B)3.89
• C)4.28
• D)5.57

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Definitions:

Scissors

A cutting instrument consisting of two blades joined so that they meet and cut materials placed between them.

Eccrine Glands

Sweat glands that are found throughout the body, producing a watery sweat that plays a crucial role in thermoregulation and cooling the body.

Apocrine Glands

Specialized sweat glands that produce a thick, milky secretion and are found in areas like the armpits and groin.

Stratum Corneum

The outermost layer of the epidermis, consisting of dead cells that help protect the skin from external elements.